Department of Power
Government of Assam
Power is the basic infrastructural prerequisite for the growth of inductries as well the overall economy of the state. The Assam State Electricity Board (ASEB), which was constituted in1958 under Electricity (Supply) Act 1948, was entrusted with the main reponsibility of integrated development of the State Power System. In pursuance with The Electricity Act 2003 and under the purview of the Assam Power Sector Development Programme, the Government of Assam has set in motion the course of action of unbundling the ASEB initially into five Government companies. The five companies are Assam Power Generation Corporation Ltd. (APGCL), Assam Electricity Grid Corporation Limited (AEGCL), Upper Assam Electricity Distribution Company Limited (UAEDCL) for the areas of supply in the Upper Assam Region, Lower Assam Electricity Distribution Company Limited (LAEDCL) for the areas of supply in the Lower Assam and Central Assam Electricity Distribution Company Limited (CAEDCL) for the areas of supply in the central areas of Assam.

Recently, Government of Assam has notified merger of three Distribution Companies into one Distribution Company , i.e. Assam Power Distribution Company Limited (APDCL).

AEGCL
Assam Electricity Grid Corporation Limited, Public Sector Company was incorporated under the Companies Act, 1956 on the 23rd day of October 2003. It was formed out of restructured Assam State Electricity Board in 2003 and was notified as the State Transmission Utility (STU). Its core business is to efficiently transport electrical power from electrical power bulk heads to the distribution company networks in the state of Assam.
APDCL
Previously there were three distribution companies. Upper Assam Electricity Distribution Company Limited (UAEDCL) for the areas of supply in the Upper Assam Region, Lower Assam Electricity Distribution Company Limited (LAEDCL) for the areas of supply in the Lower Assam and Central Assam Electricity Distribution Company Limited (CAEDCL) for the areas of supply in the central areas of Assam. Recently, Government of Assam has notified merger of three Distribution Companies into one Distribution Company , i.e. Assam Power Distribution Company Limited (APDCL).